package com.heima.admin.service.impl;


import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdUserMapper;
import com.heima.admin.service.AdUserService;
import com.heima.model.admin.pojos.AdUser;
import com.heima.model.admin.vo.AdUserVo;
import com.heima.model.common.dtos.AdUserDto;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;


import java.lang.reflect.InvocationTargetException;
import java.util.Date;
import java.util.HashMap;

@Service
public class AdUserServiceImpl extends ServiceImpl<AdUserMapper,AdUser> implements AdUserService{

    @Override
    public ResponseResult register(AdUser user) {
        if(StringUtils.isEmpty(user.getName())||StringUtils.isEmpty(user.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名密码不能为空");
        }


    String salt = RandomStringUtils.randomAlphanumeric(8);
    String pwd = user.getPassword();
        user.setPassword(DigestUtils.md5DigestAsHex((pwd + salt).getBytes()));
        user.setSalt(salt);
        user.setCreatedTime(new Date());
        user.setStatus(9);
    save(user);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
}
    @Override
    public ResponseResult login(AdUserDto dto) {
        if(dto==null||StringUtils.isBlank(dto.getName())||StringUtils.isBlank(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }

        AdUser adUser = getOne(Wrappers.<AdUser>lambdaQuery().eq(AdUser::getName, dto.getName()));
        if(adUser==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        if(adUser.getStatus()!=9){
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_STATUS_INVALID);
        }

        String pwd = adUser.getPassword();
        String inputPwd = DigestUtils.md5DigestAsHex((dto.getPassword() + adUser.getSalt()).getBytes());

        if(!pwd.equalsIgnoreCase(inputPwd)){
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }

        adUser.setLoginTime(new Date());
        updateById(adUser);

        String token = AppJwtUtil.getToken(Long.valueOf(adUser.getId()));
        HashMap resultMap = new HashMap();
        AdUserVo adUserVo = new AdUserVo();
        BeanUtils.copyProperties(adUser,adUserVo);
        resultMap.put("user",adUserVo);
        resultMap.put("token",token);
        return ResponseResult.okResult(resultMap);
    }
}
